2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
12 /* This is a simple program that encodes YV12 files and generates ivf
13 * files using the new interface.
15 #if defined(_WIN32) || !CONFIG_OS_SUPPORT
16 #define USE_POSIX_MMAP 0
18 #define USE_POSIX_MMAP 1
27 #include "vpx/vpx_encoder.h"
29 #include <sys/types.h>
35 #include "vpx_version.h"
36 #include "vpx/vp8cx.h"
37 #include "vpx_ports/mem_ops.h"
38 #include "vpx_ports/vpx_timer.h"
39 #include "tools_common.h"
41 #include "libmkv/EbmlWriter.h"
42 #include "libmkv/EbmlIDs.h"
44 /* Need special handling of these functions on Windows */
46 /* MSVS doesn't define off_t, and uses _f{seek,tell}i64 */
47 typedef __int64 off_t;
48 #define fseeko _fseeki64
49 #define ftello _ftelli64
51 /* MinGW defines off_t, and uses f{seek,tell}o64 */
52 #define fseeko fseeko64
53 #define ftello ftello64
57 #define LITERALU64(n) n
59 #define LITERALU64(n) n##LLU
62 /* We should use 32-bit file operations in WebM file format
63 * when building ARM executable file (.axf) with RVCT */
64 #if !CONFIG_OS_SUPPORT
70 static const char *exec_name;
72 static const struct codec_item
75 const vpx_codec_iface_t *iface;
79 #if CONFIG_VP8_ENCODER
80 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056},
84 static void usage_exit();
86 void die(const char *fmt, ...)
90 vfprintf(stderr, fmt, ap);
91 fprintf(stderr, "\n");
95 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s)
99 const char *detail = vpx_codec_error_detail(ctx);
101 fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx));
104 fprintf(stderr, " %s\n", detail);
110 /* This structure is used to abstract the different ways of handling
111 * first pass statistics.
122 int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
130 stats->file = fopen(fpf, "wb");
132 stats->buf.buf = NULL,
133 res = (stats->file != NULL);
139 struct stat stat_buf;
142 fd = open(fpf, O_RDONLY);
143 stats->file = fdopen(fd, "rb");
144 fstat(fd, &stat_buf);
145 stats->buf.sz = stat_buf.st_size;
146 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
148 res = (stats->buf.buf != NULL);
152 stats->file = fopen(fpf, "rb");
154 if (fseek(stats->file, 0, SEEK_END))
156 fprintf(stderr, "First-pass stats file must be seekable!\n");
160 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
163 stats->buf.buf = malloc(stats->buf_alloc_sz);
167 fprintf(stderr, "Failed to allocate first-pass stats buffer (%lu bytes)\n",
168 (unsigned long)stats->buf_alloc_sz);
172 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
173 res = (nbytes == stats->buf.sz);
180 int stats_open_mem(stats_io_t *stats, int pass)
188 stats->buf_alloc_sz = 64 * 1024;
189 stats->buf.buf = malloc(stats->buf_alloc_sz);
192 stats->buf_ptr = stats->buf.buf;
193 res = (stats->buf.buf != NULL);
198 void stats_close(stats_io_t *stats, int last_pass)
202 if (stats->pass == last_pass)
206 munmap(stats->buf.buf, stats->buf.sz);
208 free(stats->buf.buf);
217 if (stats->pass == last_pass)
218 free(stats->buf.buf);
222 void stats_write(stats_io_t *stats, const void *pkt, size_t len)
226 if(fwrite(pkt, 1, len, stats->file));
230 if (stats->buf.sz + len > stats->buf_alloc_sz)
232 size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
233 char *new_ptr = realloc(stats->buf.buf, new_sz);
237 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
238 stats->buf.buf = new_ptr;
239 stats->buf_alloc_sz = new_sz;
244 "\nFailed to realloc firstpass stats buffer.\n");
249 memcpy(stats->buf_ptr, pkt, len);
250 stats->buf.sz += len;
251 stats->buf_ptr += len;
255 vpx_fixed_buf_t stats_get(stats_io_t *stats)
260 /* Stereo 3D packed frame format */
261 typedef enum stereo_format
263 STEREO_FORMAT_MONO = 0,
264 STEREO_FORMAT_LEFT_RIGHT = 1,
265 STEREO_FORMAT_BOTTOM_TOP = 2,
266 STEREO_FORMAT_TOP_BOTTOM = 3,
267 STEREO_FORMAT_RIGHT_LEFT = 11
277 struct detect_buffer {
284 #define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
285 static int read_frame(FILE *f, vpx_image_t *img, unsigned int file_type,
286 y4m_input *y4m, struct detect_buffer *detect)
291 if (file_type == FILE_TYPE_Y4M)
293 if (y4m_input_fetch_frame(y4m, f, img) < 1)
298 if (file_type == FILE_TYPE_IVF)
300 char junk[IVF_FRAME_HDR_SZ];
302 /* Skip the frame header. We know how big the frame should be. See
303 * write_ivf_frame_header() for documentation on the frame header
306 if(fread(junk, 1, IVF_FRAME_HDR_SZ, f));
309 for (plane = 0; plane < 3; plane++)
312 int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
313 int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
316 /* Determine the correct plane based on the image format. The for-loop
317 * always counts in Y,U,V order, but this may not match the order of
323 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
326 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
329 ptr = img->planes[plane];
332 for (r = 0; r < h; r++)
335 size_t buf_position = 0;
336 const size_t left = detect->buf_read - detect->position;
339 const size_t more = (left < needed) ? left : needed;
340 memcpy(ptr, detect->buf + detect->position, more);
343 detect->position += more;
347 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
350 ptr += img->stride[plane];
359 unsigned int file_is_y4m(FILE *infile,
363 if(memcmp(detect, "YUV4", 4) == 0)
370 #define IVF_FILE_HDR_SZ (32)
371 unsigned int file_is_ivf(FILE *infile,
372 unsigned int *fourcc,
374 unsigned int *height,
375 struct detect_buffer *detect)
377 char raw_hdr[IVF_FILE_HDR_SZ];
380 if(memcmp(detect->buf, "DKIF", 4) != 0)
383 /* See write_ivf_file_header() for more documentation on the file header
386 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
387 == IVF_FILE_HDR_SZ - 4)
392 if (mem_get_le16(raw_hdr + 4) != 0)
393 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
394 " decode properly.");
396 *fourcc = mem_get_le32(raw_hdr + 8);
402 *width = mem_get_le16(raw_hdr + 12);
403 *height = mem_get_le16(raw_hdr + 14);
404 detect->position = 4;
411 static void write_ivf_file_header(FILE *outfile,
412 const vpx_codec_enc_cfg_t *cfg,
418 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
425 mem_put_le16(header + 4, 0); /* version */
426 mem_put_le16(header + 6, 32); /* headersize */
427 mem_put_le32(header + 8, fourcc); /* headersize */
428 mem_put_le16(header + 12, cfg->g_w); /* width */
429 mem_put_le16(header + 14, cfg->g_h); /* height */
430 mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
431 mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
432 mem_put_le32(header + 24, frame_cnt); /* length */
433 mem_put_le32(header + 28, 0); /* unused */
435 if(fwrite(header, 1, 32, outfile));
439 static void write_ivf_frame_header(FILE *outfile,
440 const vpx_codec_cx_pkt_t *pkt)
445 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
448 pts = pkt->data.frame.pts;
449 mem_put_le32(header, pkt->data.frame.sz);
450 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
451 mem_put_le32(header + 8, pts >> 32);
453 if(fwrite(header, 1, 12, outfile));
457 typedef off_t EbmlLoc;
473 vpx_rational_t framerate;
475 /* These pointers are to the start of an element */
476 off_t position_reference;
478 off_t segment_info_pos;
483 /* This pointer is to a specific element to be serialized */
486 /* These pointers are to the size field of the element */
487 EbmlLoc startSegment;
488 EbmlLoc startCluster;
490 uint32_t cluster_timecode;
493 struct cue_entry *cue_list;
499 void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
501 if(fwrite(buffer_in, 1, len, glob->stream));
504 #define WRITE_BUFFER(s) \
505 for(i = len-1; i>=0; i--)\
507 x = *(const s *)buffer_in >> (i * CHAR_BIT); \
508 Ebml_Write(glob, &x, 1); \
510 void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, int buffer_size, unsigned long len)
527 WRITE_BUFFER(int16_t)
530 WRITE_BUFFER(int32_t)
533 WRITE_BUFFER(int64_t)
541 /* Need a fixed size serializer for the track ID. libmkv provdes a 64 bit
542 * one, but not a 32 bit one.
544 static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui)
546 unsigned char sizeSerialized = 4 | 0x80;
547 Ebml_WriteID(glob, class_id);
548 Ebml_Serialize(glob, &sizeSerialized, sizeof(sizeSerialized), 1);
549 Ebml_Serialize(glob, &ui, sizeof(ui), 4);
554 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
555 unsigned long class_id)
557 //todo this is always taking 8 bytes, this may need later optimization
558 //this is a key that says lenght unknown
559 uint64_t unknownLen = LITERALU64(0x01FFFFFFFFFFFFFF);
561 Ebml_WriteID(glob, class_id);
562 *ebmlLoc = ftello(glob->stream);
563 Ebml_Serialize(glob, &unknownLen, sizeof(unknownLen), 8);
567 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
572 /* Save the current stream pointer */
573 pos = ftello(glob->stream);
575 /* Calculate the size of this element */
576 size = pos - *ebmlLoc - 8;
577 size |= LITERALU64(0x0100000000000000);
579 /* Seek back to the beginning of the element and write the new size */
580 fseeko(glob->stream, *ebmlLoc, SEEK_SET);
581 Ebml_Serialize(glob, &size, sizeof(size), 8);
583 /* Reset the stream pointer */
584 fseeko(glob->stream, pos, SEEK_SET);
589 write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos)
591 uint64_t offset = pos - ebml->position_reference;
593 Ebml_StartSubElement(ebml, &start, Seek);
594 Ebml_SerializeBinary(ebml, SeekID, id);
595 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
596 Ebml_EndSubElement(ebml, &start);
601 write_webm_seek_info(EbmlGlobal *ebml)
606 /* Save the current stream pointer */
607 pos = ftello(ebml->stream);
609 if(ebml->seek_info_pos)
610 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
612 ebml->seek_info_pos = pos;
617 Ebml_StartSubElement(ebml, &start, SeekHead);
618 write_webm_seek_element(ebml, Tracks, ebml->track_pos);
619 write_webm_seek_element(ebml, Cues, ebml->cue_pos);
620 write_webm_seek_element(ebml, Info, ebml->segment_info_pos);
621 Ebml_EndSubElement(ebml, &start);
628 frame_time = (uint64_t)1000 * ebml->framerate.den
629 / ebml->framerate.num;
630 ebml->segment_info_pos = ftello(ebml->stream);
631 Ebml_StartSubElement(ebml, &startInfo, Info);
632 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
633 Ebml_SerializeFloat(ebml, Segment_Duration,
634 ebml->last_pts_ms + frame_time);
635 Ebml_SerializeString(ebml, 0x4D80,
636 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
637 Ebml_SerializeString(ebml, 0x5741,
638 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
639 Ebml_EndSubElement(ebml, &startInfo);
645 write_webm_file_header(EbmlGlobal *glob,
646 const vpx_codec_enc_cfg_t *cfg,
647 const struct vpx_rational *fps,
648 stereo_format_t stereo_fmt)
652 Ebml_StartSubElement(glob, &start, EBML);
653 Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
654 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); //EBML Read Version
655 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); //EBML Max ID Length
656 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); //EBML Max Size Length
657 Ebml_SerializeString(glob, DocType, "webm"); //Doc Type
658 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); //Doc Type Version
659 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); //Doc Type Read Version
660 Ebml_EndSubElement(glob, &start);
663 Ebml_StartSubElement(glob, &glob->startSegment, Segment); //segment
664 glob->position_reference = ftello(glob->stream);
665 glob->framerate = *fps;
666 write_webm_seek_info(glob);
670 glob->track_pos = ftello(glob->stream);
671 Ebml_StartSubElement(glob, &trackStart, Tracks);
673 unsigned int trackNumber = 1;
674 uint64_t trackID = 0;
677 Ebml_StartSubElement(glob, &start, TrackEntry);
678 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
679 glob->track_id_pos = ftello(glob->stream);
680 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
681 Ebml_SerializeUnsigned(glob, TrackType, 1); //video is always 1
682 Ebml_SerializeString(glob, CodecID, "V_VP8");
684 unsigned int pixelWidth = cfg->g_w;
685 unsigned int pixelHeight = cfg->g_h;
686 float frameRate = (float)fps->num/(float)fps->den;
689 Ebml_StartSubElement(glob, &videoStart, Video);
690 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
691 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
692 Ebml_SerializeUnsigned(glob, StereoMode, stereo_fmt);
693 Ebml_SerializeFloat(glob, FrameRate, frameRate);
694 Ebml_EndSubElement(glob, &videoStart); //Video
696 Ebml_EndSubElement(glob, &start); //Track Entry
698 Ebml_EndSubElement(glob, &trackStart);
700 // segment element is open
706 write_webm_block(EbmlGlobal *glob,
707 const vpx_codec_enc_cfg_t *cfg,
708 const vpx_codec_cx_pkt_t *pkt)
710 unsigned long block_length;
711 unsigned char track_number;
712 unsigned short block_timecode = 0;
715 int start_cluster = 0, is_keyframe;
717 /* Calculate the PTS of this frame in milliseconds */
718 pts_ms = pkt->data.frame.pts * 1000
719 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
720 if(pts_ms <= glob->last_pts_ms)
721 pts_ms = glob->last_pts_ms + 1;
722 glob->last_pts_ms = pts_ms;
724 /* Calculate the relative time of this block */
725 if(pts_ms - glob->cluster_timecode > SHRT_MAX)
728 block_timecode = pts_ms - glob->cluster_timecode;
730 is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
731 if(start_cluster || is_keyframe)
733 if(glob->cluster_open)
734 Ebml_EndSubElement(glob, &glob->startCluster);
736 /* Open the new cluster */
738 glob->cluster_open = 1;
739 glob->cluster_timecode = pts_ms;
740 glob->cluster_pos = ftello(glob->stream);
741 Ebml_StartSubElement(glob, &glob->startCluster, Cluster); //cluster
742 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);
744 /* Save a cue point if this is a keyframe. */
747 struct cue_entry *cue, *new_cue_list;
749 new_cue_list = realloc(glob->cue_list,
750 (glob->cues+1) * sizeof(struct cue_entry));
752 glob->cue_list = new_cue_list;
755 fprintf(stderr, "\nFailed to realloc cue list.\n");
759 cue = &glob->cue_list[glob->cues];
760 cue->time = glob->cluster_timecode;
761 cue->loc = glob->cluster_pos;
766 /* Write the Simple Block */
767 Ebml_WriteID(glob, SimpleBlock);
769 block_length = pkt->data.frame.sz + 4;
770 block_length |= 0x10000000;
771 Ebml_Serialize(glob, &block_length, sizeof(block_length), 4);
774 track_number |= 0x80;
775 Ebml_Write(glob, &track_number, 1);
777 Ebml_Serialize(glob, &block_timecode, sizeof(block_timecode), 2);
782 if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE)
784 Ebml_Write(glob, &flags, 1);
786 Ebml_Write(glob, pkt->data.frame.buf, pkt->data.frame.sz);
791 write_webm_file_footer(EbmlGlobal *glob, long hash)
794 if(glob->cluster_open)
795 Ebml_EndSubElement(glob, &glob->startCluster);
801 glob->cue_pos = ftello(glob->stream);
802 Ebml_StartSubElement(glob, &start, Cues);
803 for(i=0; i<glob->cues; i++)
805 struct cue_entry *cue = &glob->cue_list[i];
808 Ebml_StartSubElement(glob, &start, CuePoint);
812 Ebml_SerializeUnsigned(glob, CueTime, cue->time);
814 Ebml_StartSubElement(glob, &start, CueTrackPositions);
815 Ebml_SerializeUnsigned(glob, CueTrack, 1);
816 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
817 cue->loc - glob->position_reference);
818 //Ebml_SerializeUnsigned(glob, CueBlockNumber, cue->blockNumber);
819 Ebml_EndSubElement(glob, &start);
821 Ebml_EndSubElement(glob, &start);
823 Ebml_EndSubElement(glob, &start);
826 Ebml_EndSubElement(glob, &glob->startSegment);
828 /* Patch up the seek info block */
829 write_webm_seek_info(glob);
831 /* Patch up the track id */
832 fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
833 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);
835 fseeko(glob->stream, 0, SEEK_END);
839 /* Murmur hash derived from public domain reference implementation at
840 * http://sites.google.com/site/murmurhash/
842 static unsigned int murmur ( const void * key, int len, unsigned int seed )
844 const unsigned int m = 0x5bd1e995;
847 unsigned int h = seed ^ len;
849 const unsigned char * data = (const unsigned char *)key;
873 case 3: h ^= data[2] << 16;
874 case 2: h ^= data[1] << 8;
875 case 1: h ^= data[0];
888 static double vp8_mse2psnr(double Samples, double Peak, double Mse)
892 if ((double)Mse > 0.0)
893 psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
895 psnr = 60; // Limit to prevent / 0
906 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
907 "Debug mode (makes output deterministic)");
908 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
910 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
911 "Input file is YV12 ");
912 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
913 "Input file is I420 (default)");
914 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
916 static const arg_def_t passes = ARG_DEF("p", "passes", 1,
917 "Number of passes (1/2)");
918 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1,
919 "Pass to execute (1/2)");
920 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1,
921 "First pass statistics file name");
922 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
923 "Stop encoding after n input frames");
924 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1,
925 "Deadline per frame (usec)");
926 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0,
927 "Use Best Quality Deadline");
928 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0,
929 "Use Good Quality Deadline");
930 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0,
931 "Use Realtime Quality Deadline");
932 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
933 "Show encoder parameters");
934 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
935 "Show PSNR in status line");
936 static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1,
937 "Stream frame rate (rate/scale)");
938 static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
939 "Output IVF (default is WebM)");
940 static const arg_def_t q_hist_n = ARG_DEF(NULL, "q-hist", 1,
941 "Show quantizer histogram (n-buckets)");
942 static const arg_def_t rate_hist_n = ARG_DEF(NULL, "rate-hist", 1,
943 "Show rate histogram (n-buckets)");
944 static const arg_def_t *main_args[] =
947 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
948 &best_dl, &good_dl, &rt_dl,
949 &verbosearg, &psnrarg, &use_ivf, &q_hist_n, &rate_hist_n,
953 static const arg_def_t usage = ARG_DEF("u", "usage", 1,
954 "Usage profile number to use");
955 static const arg_def_t threads = ARG_DEF("t", "threads", 1,
956 "Max number of threads to use");
957 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1,
958 "Bitstream profile number to use");
959 static const arg_def_t width = ARG_DEF("w", "width", 1,
961 static const arg_def_t height = ARG_DEF("h", "height", 1,
963 static const struct arg_enum_list stereo_mode_enum[] = {
964 {"mono" , STEREO_FORMAT_MONO},
965 {"left-right", STEREO_FORMAT_LEFT_RIGHT},
966 {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
967 {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
968 {"right-left", STEREO_FORMAT_RIGHT_LEFT},
971 static const arg_def_t stereo_mode = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
972 "Stereo 3D video format", stereo_mode_enum);
973 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
974 "Stream timebase (frame duration)");
975 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1,
976 "Enable error resiliency features");
977 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
978 "Max number of frames to lag");
980 static const arg_def_t *global_args[] =
982 &use_yv12, &use_i420, &usage, &threads, &profile,
983 &width, &height, &stereo_mode, &timebase, &framerate, &error_resilient,
987 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1,
988 "Temporal resampling threshold (buf %)");
989 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1,
990 "Spatial resampling enabled (bool)");
991 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1,
992 "Upscale threshold (buf %)");
993 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
994 "Downscale threshold (buf %)");
995 static const struct arg_enum_list end_usage_enum[] = {
1001 static const arg_def_t end_usage = ARG_DEF_ENUM(NULL, "end-usage", 1,
1002 "Rate control mode", end_usage_enum);
1003 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1,
1005 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1,
1006 "Minimum (best) quantizer");
1007 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1,
1008 "Maximum (worst) quantizer");
1009 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1,
1010 "Datarate undershoot (min) target (%)");
1011 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1,
1012 "Datarate overshoot (max) target (%)");
1013 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1,
1014 "Client buffer size (ms)");
1015 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
1016 "Client initial buffer size (ms)");
1017 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
1018 "Client optimal buffer size (ms)");
1019 static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
1020 "Max I-frame bitrate (pct)");
1021 static const arg_def_t *rc_args[] =
1023 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
1024 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
1025 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
1026 &max_intra_rate_pct,
1031 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
1032 "CBR/VBR bias (0=CBR, 100=VBR)");
1033 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
1034 "GOP min bitrate (% of target)");
1035 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
1036 "GOP max bitrate (% of target)");
1037 static const arg_def_t *rc_twopass_args[] =
1039 &bias_pct, &minsection_pct, &maxsection_pct, NULL
1043 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
1044 "Minimum keyframe interval (frames)");
1045 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
1046 "Maximum keyframe interval (frames)");
1047 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
1048 "Disable keyframe placement");
1049 static const arg_def_t *kf_args[] =
1051 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
1055 #if CONFIG_VP8_ENCODER
1056 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
1057 "Noise sensitivity (frames to blur)");
1058 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
1059 "Filter sharpness (0-7)");
1060 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
1061 "Motion detection threshold");
1064 #if CONFIG_VP8_ENCODER
1065 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
1066 "CPU Used (-16..16)");
1070 #if CONFIG_VP8_ENCODER
1071 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
1072 "Number of token partitions to use, log2");
1073 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
1074 "Enable automatic alt reference frames");
1075 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
1076 "AltRef Max Frames");
1077 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
1079 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
1081 static const struct arg_enum_list tuning_enum[] = {
1082 {"psnr", VP8_TUNE_PSNR},
1083 {"ssim", VP8_TUNE_SSIM},
1086 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
1087 "Material to favor", tuning_enum);
1088 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
1089 "Constrained Quality Level");
1091 static const arg_def_t *vp8_args[] =
1093 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
1094 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
1095 &tune_ssim, &cq_level, NULL
1097 static const int vp8_arg_ctrl_map[] =
1099 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
1100 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
1101 VP8E_SET_TOKEN_PARTITIONS,
1102 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE,
1103 VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, 0
1107 static const arg_def_t *no_args[] = { NULL };
1109 static void usage_exit()
1113 fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
1116 fprintf(stderr, "\nOptions:\n");
1117 arg_show_usage(stdout, main_args);
1118 fprintf(stderr, "\nEncoder Global Options:\n");
1119 arg_show_usage(stdout, global_args);
1120 fprintf(stderr, "\nRate Control Options:\n");
1121 arg_show_usage(stdout, rc_args);
1122 fprintf(stderr, "\nTwopass Rate Control Options:\n");
1123 arg_show_usage(stdout, rc_twopass_args);
1124 fprintf(stderr, "\nKeyframe Placement Options:\n");
1125 arg_show_usage(stdout, kf_args);
1126 #if CONFIG_VP8_ENCODER
1127 fprintf(stderr, "\nVP8 Specific Options:\n");
1128 arg_show_usage(stdout, vp8_args);
1130 fprintf(stderr, "\n"
1131 "Included encoders:\n"
1134 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
1135 fprintf(stderr, " %-6s - %s\n",
1137 vpx_codec_iface_name(codecs[i].iface));
1143 #define HIST_BAR_MAX 40
1146 int low, high, count;
1150 static int merge_hist_buckets(struct hist_bucket *bucket,
1154 int small_bucket = 0, merge_bucket = INT_MAX, big_bucket=0;
1155 int buckets = *buckets_;
1158 /* Find the extrema for this list of buckets */
1159 big_bucket = small_bucket = 0;
1160 for(i=0; i < buckets; i++)
1162 if(bucket[i].count < bucket[small_bucket].count)
1164 if(bucket[i].count > bucket[big_bucket].count)
1168 /* If we have too many buckets, merge the smallest with an ajacent
1171 while(buckets > max_buckets)
1173 int last_bucket = buckets - 1;
1175 // merge the small bucket with an adjacent one.
1176 if(small_bucket == 0)
1178 else if(small_bucket == last_bucket)
1179 merge_bucket = last_bucket - 1;
1180 else if(bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
1181 merge_bucket = small_bucket - 1;
1183 merge_bucket = small_bucket + 1;
1185 assert(abs(merge_bucket - small_bucket) <= 1);
1186 assert(small_bucket < buckets);
1187 assert(big_bucket < buckets);
1188 assert(merge_bucket < buckets);
1190 if(merge_bucket < small_bucket)
1192 bucket[merge_bucket].high = bucket[small_bucket].high;
1193 bucket[merge_bucket].count += bucket[small_bucket].count;
1197 bucket[small_bucket].high = bucket[merge_bucket].high;
1198 bucket[small_bucket].count += bucket[merge_bucket].count;
1199 merge_bucket = small_bucket;
1202 assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
1206 /* Remove the merge_bucket from the list, and find the new small
1207 * and big buckets while we're at it
1209 big_bucket = small_bucket = 0;
1210 for(i=0; i < buckets; i++)
1212 if(i > merge_bucket)
1213 bucket[i] = bucket[i+1];
1215 if(bucket[i].count < bucket[small_bucket].count)
1217 if(bucket[i].count > bucket[big_bucket].count)
1223 *buckets_ = buckets;
1224 return bucket[big_bucket].count;
1228 static void show_histogram(const struct hist_bucket *bucket,
1233 const char *pat1, *pat2;
1236 switch((int)(log(bucket[buckets-1].high)/log(10))+1)
1264 pat1 = "%12d %10s: ";
1265 pat2 = "%12d-%10d: ";
1269 for(i=0; i<buckets; i++)
1275 pct = 100.0 * (float)bucket[i].count / (float)total;
1276 len = HIST_BAR_MAX * bucket[i].count / scale;
1279 assert(len <= HIST_BAR_MAX);
1281 if(bucket[i].low == bucket[i].high)
1282 fprintf(stderr, pat1, bucket[i].low, "");
1284 fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
1286 for(j=0; j<HIST_BAR_MAX; j++)
1287 fprintf(stderr, j<len?"=":" ");
1288 fprintf(stderr, "\t%5d (%6.2f%%)\n",bucket[i].count,pct);
1293 static void show_q_histogram(const int counts[64], int max_buckets)
1295 struct hist_bucket bucket[64];
1306 bucket[buckets].low = bucket[buckets].high = i;
1307 bucket[buckets].count = counts[i];
1313 fprintf(stderr, "\nQuantizer Selection:\n");
1314 scale = merge_hist_buckets(bucket, &buckets, max_buckets);
1315 show_histogram(bucket, buckets, total, scale);
1319 #define RATE_BINS (100)
1326 struct hist_bucket bucket[RATE_BINS];
1331 static void init_rate_histogram(struct rate_hist *hist,
1332 const vpx_codec_enc_cfg_t *cfg,
1333 const vpx_rational_t *fps)
1337 /* Determine the number of samples in the buffer. Use the file's framerate
1338 * to determine the number of frames in rc_buf_sz milliseconds, with an
1339 * adjustment (5/4) to account for alt-refs
1341 hist->samples = cfg->rc_buf_sz * 5 / 4 * fps->num / fps->den / 1000;
1343 // prevent division by zero
1344 if (hist->samples == 0)
1347 hist->pts = calloc(hist->samples, sizeof(*hist->pts));
1348 hist->sz = calloc(hist->samples, sizeof(*hist->sz));
1349 for(i=0; i<RATE_BINS; i++)
1351 hist->bucket[i].low = INT_MAX;
1352 hist->bucket[i].high = 0;
1353 hist->bucket[i].count = 0;
1358 static void destroy_rate_histogram(struct rate_hist *hist)
1365 static void update_rate_histogram(struct rate_hist *hist,
1366 const vpx_codec_enc_cfg_t *cfg,
1367 const vpx_codec_cx_pkt_t *pkt)
1370 int64_t now, then, sum_sz = 0, avg_bitrate;
1372 now = pkt->data.frame.pts * 1000
1373 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
1375 idx = hist->frames++ % hist->samples;
1376 hist->pts[idx] = now;
1377 hist->sz[idx] = pkt->data.frame.sz;
1379 if(now < cfg->rc_buf_initial_sz)
1384 /* Sum the size over the past rc_buf_sz ms */
1385 for(i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--)
1387 int i_idx = (i-1) % hist->samples;
1389 then = hist->pts[i_idx];
1390 if(now - then > cfg->rc_buf_sz)
1392 sum_sz += hist->sz[i_idx];
1398 avg_bitrate = sum_sz * 8 * 1000 / (now - then);
1399 idx = avg_bitrate * (RATE_BINS/2) / (cfg->rc_target_bitrate * 1000);
1402 if(idx > RATE_BINS-1)
1404 if(hist->bucket[idx].low > avg_bitrate)
1405 hist->bucket[idx].low = avg_bitrate;
1406 if(hist->bucket[idx].high < avg_bitrate)
1407 hist->bucket[idx].high = avg_bitrate;
1408 hist->bucket[idx].count++;
1413 static void show_rate_histogram(struct rate_hist *hist,
1414 const vpx_codec_enc_cfg_t *cfg,
1420 for(i = 0; i < RATE_BINS; i++)
1422 if(hist->bucket[i].low == INT_MAX)
1424 hist->bucket[buckets++] = hist->bucket[i];
1427 fprintf(stderr, "\nRate (over %dms window):\n", cfg->rc_buf_sz);
1428 scale = merge_hist_buckets(hist->bucket, &buckets, max_buckets);
1429 show_histogram(hist->bucket, buckets, hist->total, scale);
1432 #define ARG_CTRL_CNT_MAX 10
1434 int main(int argc, const char **argv_)
1436 vpx_codec_ctx_t encoder;
1437 const char *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
1439 FILE *infile, *outfile;
1440 vpx_codec_enc_cfg_t cfg;
1441 vpx_codec_err_t res;
1442 int pass, one_pass_only = 0;
1445 const struct codec_item *codec = codecs;
1446 int frame_avail, got_data;
1449 char **argv, **argi, **argj;
1450 int arg_usage = 0, arg_passes = 1, arg_deadline = 0;
1451 int arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
1453 static const arg_def_t **ctrl_args = no_args;
1454 static const int *ctrl_args_map = NULL;
1455 int verbose = 0, show_psnr = 0;
1456 int arg_use_i420 = 1;
1457 unsigned long cx_time = 0;
1458 unsigned int file_type, fourcc;
1460 struct vpx_rational arg_framerate = {30, 1};
1461 int arg_have_framerate = 0;
1463 EbmlGlobal ebml = {0};
1465 uint64_t psnr_sse_total = 0;
1466 uint64_t psnr_samples_total = 0;
1467 double psnr_totals[4] = {0, 0, 0, 0};
1469 stereo_format_t stereo_fmt = STEREO_FORMAT_MONO;
1471 int show_q_hist_buckets=0;
1472 int show_rate_hist_buckets=0;
1473 struct rate_hist rate_hist={0};
1475 exec_name = argv_[0];
1476 ebml.last_pts_ms = -1;
1482 /* First parse the codec and usage values, because we want to apply other
1483 * parameters on top of the default configuration provided by the codec.
1485 argv = argv_dup(argc - 1, argv_ + 1);
1487 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1491 if (arg_match(&arg, &codecarg, argi))
1495 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
1496 if (!strcmp(codecs[j].name, arg.val))
1502 die("Error: Unrecognized argument (%s) to --codec\n",
1506 else if (arg_match(&arg, &passes, argi))
1508 arg_passes = arg_parse_uint(&arg);
1510 if (arg_passes < 1 || arg_passes > 2)
1511 die("Error: Invalid number of passes (%d)\n", arg_passes);
1513 else if (arg_match(&arg, &pass_arg, argi))
1515 one_pass_only = arg_parse_uint(&arg);
1517 if (one_pass_only < 1 || one_pass_only > 2)
1518 die("Error: Invalid pass selected (%d)\n", one_pass_only);
1520 else if (arg_match(&arg, &fpf_name, argi))
1522 else if (arg_match(&arg, &usage, argi))
1523 arg_usage = arg_parse_uint(&arg);
1524 else if (arg_match(&arg, &deadline, argi))
1525 arg_deadline = arg_parse_uint(&arg);
1526 else if (arg_match(&arg, &best_dl, argi))
1527 arg_deadline = VPX_DL_BEST_QUALITY;
1528 else if (arg_match(&arg, &good_dl, argi))
1529 arg_deadline = VPX_DL_GOOD_QUALITY;
1530 else if (arg_match(&arg, &rt_dl, argi))
1531 arg_deadline = VPX_DL_REALTIME;
1532 else if (arg_match(&arg, &use_yv12, argi))
1536 else if (arg_match(&arg, &use_i420, argi))
1540 else if (arg_match(&arg, &verbosearg, argi))
1542 else if (arg_match(&arg, &limit, argi))
1543 arg_limit = arg_parse_uint(&arg);
1544 else if (arg_match(&arg, &psnrarg, argi))
1546 else if (arg_match(&arg, &framerate, argi))
1548 arg_framerate = arg_parse_rational(&arg);
1549 arg_have_framerate = 1;
1551 else if (arg_match(&arg, &use_ivf, argi))
1553 else if (arg_match(&arg, &outputfile, argi))
1555 else if (arg_match(&arg, &debugmode, argi))
1557 else if (arg_match(&arg, &q_hist_n, argi))
1558 show_q_hist_buckets = arg_parse_uint(&arg);
1559 else if (arg_match(&arg, &rate_hist_n, argi))
1560 show_rate_hist_buckets = arg_parse_uint(&arg);
1565 /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,
1566 * ensure --fpf was set.
1570 /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
1571 if (one_pass_only > arg_passes)
1573 fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n",
1574 one_pass_only, one_pass_only);
1575 arg_passes = one_pass_only;
1578 if (arg_passes == 2 && !stats_fn)
1579 die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only);
1582 /* Populate encoder configuration */
1583 res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage);
1587 fprintf(stderr, "Failed to get config: %s\n",
1588 vpx_codec_err_to_string(res));
1589 return EXIT_FAILURE;
1592 /* Change the default timebase to a high enough value so that the encoder
1593 * will always create strictly increasing timestamps.
1595 cfg.g_timebase.den = 1000;
1597 /* Never use the library's default resolution, require it be parsed
1598 * from the file or set on the command line.
1603 /* Now parse the remainder of the parameters. */
1604 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1609 else if (arg_match(&arg, &threads, argi))
1610 cfg.g_threads = arg_parse_uint(&arg);
1611 else if (arg_match(&arg, &profile, argi))
1612 cfg.g_profile = arg_parse_uint(&arg);
1613 else if (arg_match(&arg, &width, argi))
1614 cfg.g_w = arg_parse_uint(&arg);
1615 else if (arg_match(&arg, &height, argi))
1616 cfg.g_h = arg_parse_uint(&arg);
1617 else if (arg_match(&arg, &stereo_mode, argi))
1618 stereo_fmt = arg_parse_enum_or_int(&arg);
1619 else if (arg_match(&arg, &timebase, argi))
1620 cfg.g_timebase = arg_parse_rational(&arg);
1621 else if (arg_match(&arg, &error_resilient, argi))
1622 cfg.g_error_resilient = arg_parse_uint(&arg);
1623 else if (arg_match(&arg, &lag_in_frames, argi))
1624 cfg.g_lag_in_frames = arg_parse_uint(&arg);
1625 else if (arg_match(&arg, &dropframe_thresh, argi))
1626 cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
1627 else if (arg_match(&arg, &resize_allowed, argi))
1628 cfg.rc_resize_allowed = arg_parse_uint(&arg);
1629 else if (arg_match(&arg, &resize_up_thresh, argi))
1630 cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
1631 else if (arg_match(&arg, &resize_down_thresh, argi))
1632 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
1633 else if (arg_match(&arg, &resize_down_thresh, argi))
1634 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
1635 else if (arg_match(&arg, &end_usage, argi))
1636 cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
1637 else if (arg_match(&arg, &target_bitrate, argi))
1638 cfg.rc_target_bitrate = arg_parse_uint(&arg);
1639 else if (arg_match(&arg, &max_intra_rate_pct, argi))
1640 cfg.rc_max_intra_bitrate_pct = arg_parse_uint(&arg);
1641 else if (arg_match(&arg, &min_quantizer, argi))
1642 cfg.rc_min_quantizer = arg_parse_uint(&arg);
1643 else if (arg_match(&arg, &max_quantizer, argi))
1644 cfg.rc_max_quantizer = arg_parse_uint(&arg);
1645 else if (arg_match(&arg, &undershoot_pct, argi))
1646 cfg.rc_undershoot_pct = arg_parse_uint(&arg);
1647 else if (arg_match(&arg, &overshoot_pct, argi))
1648 cfg.rc_overshoot_pct = arg_parse_uint(&arg);
1649 else if (arg_match(&arg, &buf_sz, argi))
1650 cfg.rc_buf_sz = arg_parse_uint(&arg);
1651 else if (arg_match(&arg, &buf_initial_sz, argi))
1652 cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
1653 else if (arg_match(&arg, &buf_optimal_sz, argi))
1654 cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
1655 else if (arg_match(&arg, &bias_pct, argi))
1657 cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
1661 "Warning: option %s ignored in one-pass mode.\n",
1664 else if (arg_match(&arg, &minsection_pct, argi))
1666 cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
1670 "Warning: option %s ignored in one-pass mode.\n",
1673 else if (arg_match(&arg, &maxsection_pct, argi))
1675 cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
1679 "Warning: option %s ignored in one-pass mode.\n",
1682 else if (arg_match(&arg, &kf_min_dist, argi))
1683 cfg.kf_min_dist = arg_parse_uint(&arg);
1684 else if (arg_match(&arg, &kf_max_dist, argi))
1685 cfg.kf_max_dist = arg_parse_uint(&arg);
1686 else if (arg_match(&arg, &kf_disabled, argi))
1687 cfg.kf_mode = VPX_KF_DISABLED;
1692 /* Handle codec specific options */
1693 #if CONFIG_VP8_ENCODER
1695 if (codec->iface == &vpx_codec_vp8_cx_algo)
1697 ctrl_args = vp8_args;
1698 ctrl_args_map = vp8_arg_ctrl_map;
1703 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1709 for (i = 0; ctrl_args[i]; i++)
1711 if (arg_match(&arg, ctrl_args[i], argi))
1715 if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX)
1717 arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
1718 arg_ctrls[arg_ctrl_cnt][1] = arg_parse_enum_or_int(&arg);
1728 /* Check for unrecognized options */
1729 for (argi = argv; *argi; argi++)
1730 if (argi[0][0] == '-' && argi[0][1])
1731 die("Error: Unrecognized option %s\n", *argi);
1733 /* Handle non-option arguments */
1740 die("Error: Output file is required (specify with -o)\n");
1742 memset(&stats, 0, sizeof(stats));
1744 for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
1746 int frames_in = 0, frames_out = 0;
1747 unsigned long nbytes = 0;
1748 struct detect_buffer detect;
1750 /* Parse certain options from the input file, if possible */
1751 infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb")
1752 : set_binary_mode(stdin);
1756 fprintf(stderr, "Failed to open input file\n");
1757 return EXIT_FAILURE;
1760 /* For RAW input sources, these bytes will applied on the first frame
1763 detect.buf_read = fread(detect.buf, 1, 4, infile);
1764 detect.position = 0;
1766 if (detect.buf_read == 4 && file_is_y4m(infile, &y4m, detect.buf))
1768 if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
1770 file_type = FILE_TYPE_Y4M;
1771 cfg.g_w = y4m.pic_w;
1772 cfg.g_h = y4m.pic_h;
1774 /* Use the frame rate from the file only if none was specified
1775 * on the command-line.
1777 if (!arg_have_framerate)
1779 arg_framerate.num = y4m.fps_n;
1780 arg_framerate.den = y4m.fps_d;
1787 fprintf(stderr, "Unsupported Y4M stream.\n");
1788 return EXIT_FAILURE;
1791 else if (detect.buf_read == 4 &&
1792 file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, &detect))
1794 file_type = FILE_TYPE_IVF;
1804 fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc);
1805 return EXIT_FAILURE;
1810 file_type = FILE_TYPE_RAW;
1813 if(!cfg.g_w || !cfg.g_h)
1815 fprintf(stderr, "Specify stream dimensions with --width (-w) "
1816 " and --height (-h).\n");
1817 return EXIT_FAILURE;
1820 #define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field)
1822 if (verbose && pass == 0)
1824 fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface));
1825 fprintf(stderr, "Source file: %s Format: %s\n", in_fn,
1826 arg_use_i420 ? "I420" : "YV12");
1827 fprintf(stderr, "Destination file: %s\n", out_fn);
1828 fprintf(stderr, "Encoder parameters:\n");
1835 SHOW(g_timebase.num);
1836 SHOW(g_timebase.den);
1837 SHOW(g_error_resilient);
1839 SHOW(g_lag_in_frames);
1840 SHOW(rc_dropframe_thresh);
1841 SHOW(rc_resize_allowed);
1842 SHOW(rc_resize_up_thresh);
1843 SHOW(rc_resize_down_thresh);
1845 SHOW(rc_target_bitrate);
1846 SHOW(rc_min_quantizer);
1847 SHOW(rc_max_quantizer);
1848 SHOW(rc_undershoot_pct);
1849 SHOW(rc_overshoot_pct);
1851 SHOW(rc_buf_initial_sz);
1852 SHOW(rc_buf_optimal_sz);
1853 SHOW(rc_2pass_vbr_bias_pct);
1854 SHOW(rc_2pass_vbr_minsection_pct);
1855 SHOW(rc_2pass_vbr_maxsection_pct);
1861 if(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
1862 if (file_type == FILE_TYPE_Y4M)
1863 /*The Y4M reader does its own allocation.
1864 Just initialize this here to avoid problems if we never read any
1866 memset(&raw, 0, sizeof(raw));
1868 vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
1869 cfg.g_w, cfg.g_h, 1);
1871 init_rate_histogram(&rate_hist, &cfg, &arg_framerate);
1874 outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb")
1875 : set_binary_mode(stdout);
1879 fprintf(stderr, "Failed to open output file\n");
1880 return EXIT_FAILURE;
1883 if(write_webm && fseek(outfile, 0, SEEK_CUR))
1885 fprintf(stderr, "WebM output to pipes not supported.\n");
1886 return EXIT_FAILURE;
1891 if (!stats_open_file(&stats, stats_fn, pass))
1893 fprintf(stderr, "Failed to open statistics store\n");
1894 return EXIT_FAILURE;
1899 if (!stats_open_mem(&stats, pass))
1901 fprintf(stderr, "Failed to open statistics store\n");
1902 return EXIT_FAILURE;
1906 cfg.g_pass = arg_passes == 2
1907 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
1909 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1913 cfg.rc_twopass_stats_in = stats_get(&stats);
1920 ebml.stream = outfile;
1921 write_webm_file_header(&ebml, &cfg, &arg_framerate, stereo_fmt);
1924 write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
1927 /* Construct Encoder Context */
1928 vpx_codec_enc_init(&encoder, codec->iface, &cfg,
1929 show_psnr ? VPX_CODEC_USE_PSNR : 0);
1930 ctx_exit_on_error(&encoder, "Failed to initialize encoder");
1932 /* Note that we bypass the vpx_codec_control wrapper macro because
1933 * we're being clever to store the control IDs in an array. Real
1934 * applications will want to make use of the enumerations directly
1936 for (i = 0; i < arg_ctrl_cnt; i++)
1938 if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
1939 fprintf(stderr, "Error: Tried to set control %d = %d\n",
1940 arg_ctrls[i][0], arg_ctrls[i][1]);
1942 ctx_exit_on_error(&encoder, "Failed to control codec");
1948 while (frame_avail || got_data)
1950 vpx_codec_iter_t iter = NULL;
1951 const vpx_codec_cx_pkt_t *pkt;
1952 struct vpx_usec_timer timer;
1953 int64_t frame_start, next_frame_start;
1955 if (!arg_limit || frames_in < arg_limit)
1957 frame_avail = read_frame(infile, &raw, file_type, &y4m,
1964 "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
1965 arg_passes, frames_in, frames_out, nbytes);
1970 vpx_usec_timer_start(&timer);
1972 frame_start = (cfg.g_timebase.den * (int64_t)(frames_in - 1)
1973 * arg_framerate.den) / cfg.g_timebase.num / arg_framerate.num;
1974 next_frame_start = (cfg.g_timebase.den * (int64_t)(frames_in)
1975 * arg_framerate.den)
1976 / cfg.g_timebase.num / arg_framerate.num;
1977 vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, frame_start,
1978 next_frame_start - frame_start,
1980 vpx_usec_timer_mark(&timer);
1981 cx_time += vpx_usec_timer_elapsed(&timer);
1982 ctx_exit_on_error(&encoder, "Failed to encode frame");
1984 if(cfg.g_pass != VPX_RC_FIRST_PASS)
1988 vpx_codec_control(&encoder, VP8E_GET_LAST_QUANTIZER_64, &q);
1989 ctx_exit_on_error(&encoder, "Failed to read quantizer");
1995 while ((pkt = vpx_codec_get_cx_data(&encoder, &iter)))
2001 case VPX_CODEC_CX_FRAME_PKT:
2003 fprintf(stderr, " %6luF",
2004 (unsigned long)pkt->data.frame.sz);
2006 update_rate_histogram(&rate_hist, &cfg, pkt);
2009 /* Update the hash */
2011 hash = murmur(pkt->data.frame.buf,
2012 pkt->data.frame.sz, hash);
2014 write_webm_block(&ebml, &cfg, pkt);
2018 write_ivf_frame_header(outfile, pkt);
2019 if(fwrite(pkt->data.frame.buf, 1,
2020 pkt->data.frame.sz, outfile));
2022 nbytes += pkt->data.raw.sz;
2024 case VPX_CODEC_STATS_PKT:
2026 fprintf(stderr, " %6luS",
2027 (unsigned long)pkt->data.twopass_stats.sz);
2029 pkt->data.twopass_stats.buf,
2030 pkt->data.twopass_stats.sz);
2031 nbytes += pkt->data.raw.sz;
2033 case VPX_CODEC_PSNR_PKT:
2039 psnr_sse_total += pkt->data.psnr.sse[0];
2040 psnr_samples_total += pkt->data.psnr.samples[0];
2041 for (i = 0; i < 4; i++)
2043 fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]);
2044 psnr_totals[i] += pkt->data.psnr.psnr[i];
2059 "\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
2060 " %7lu %s (%.2f fps)\033[K", pass + 1,
2061 arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
2062 nbytes * 8 *(int64_t)arg_framerate.num / arg_framerate.den / frames_in,
2063 cx_time > 9999999 ? cx_time / 1000 : cx_time,
2064 cx_time > 9999999 ? "ms" : "us",
2065 (float)frames_in * 1000000.0 / (float)cx_time);
2067 if ( (show_psnr) && (psnr_count>0) )
2070 double ovpsnr = vp8_mse2psnr(psnr_samples_total, 255.0,
2073 fprintf(stderr, "\nPSNR (Overall/Avg/Y/U/V)");
2075 fprintf(stderr, " %.3lf", ovpsnr);
2076 for (i = 0; i < 4; i++)
2078 fprintf(stderr, " %.3lf", psnr_totals[i]/psnr_count);
2082 vpx_codec_destroy(&encoder);
2085 if (file_type == FILE_TYPE_Y4M)
2086 y4m_input_close(&y4m);
2090 write_webm_file_footer(&ebml, hash);
2091 free(ebml.cue_list);
2092 ebml.cue_list = NULL;
2096 if (!fseek(outfile, 0, SEEK_SET))
2097 write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);
2101 stats_close(&stats, arg_passes-1);
2102 fprintf(stderr, "\n");
2108 if (show_q_hist_buckets)
2109 show_q_histogram(counts, show_q_hist_buckets);
2111 if (show_rate_hist_buckets)
2112 show_rate_histogram(&rate_hist, &cfg, show_rate_hist_buckets);
2113 destroy_rate_histogram(&rate_hist);
2117 return EXIT_SUCCESS;